Finding the Fourth Proportional to 8,411.86, 12,619.59 and 2,568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.86 : 12,619.59 = 2,568.28 : x
2. Step 2: Convert to fraction form
   8,411.86/12,619.59 = 2,568.28/x
3. Step 3: Cross multiply
   8,411.86x = 12,619.59 × 2,568.28
4. Step 4: Simplify right side
   8,411.86x = 32,410,640.61
5. Step 5: Solve for x
   x = 32,410,640.61/8,411.86
6. Step 6: Final answer
   x = 3,852.97